Polynomial Derivations and Their Rings of Constants A Nowicki Nicolaus Copernicus University Press 1994, 1994 | 247 | 1994 |

Rings of constants for -derivations in A Nowicki, M Nagata J. Math. Kyoto Univ 28, 111-118, 1988 | 87 | 1988 |

On the non-existence of constants of derivations: the proof of a theorem of Jouanolou and its development JM Ollagnier, A Nowicki, JM Strelcyn Laboratoire analyse, géométrie et applications, Unité associée au CNRS 742, 1993 | 78 | 1993 |

Rings and fields of constants for derivations in characteristic zero A Nowicki Journal of Pure and Applied Algebra 96 (1), 47-55, 1994 | 52 | 1994 |

On the nonexistence of rational first integrals for systems of linear differential equations A Nowicki Linear algebra and its applications 235, 107-120, 1996 | 51 | 1996 |

Around Jouanolou non-integrability theorem AJ Maciejewski, JM Ollagnier, A Nowicki, JM Strelcyn Indagationes Mathematicae 11 (2), 239-254, 2000 | 45 | 2000 |

Simple quadratic derivations in two variables A Maciejewski, J Moulin-Ollagnier, A Nowicki 1* Taylor & Francis Group 29 (11), 5095-5113, 2001 | 29 | 2001 |

A note on locally nilpotent derivations M Ferrero, Y Lequain, A Nowicki Journal of pure and applied algebra 79 (1), 45-50, 1992 | 29 | 1992 |

On the jacobian equation *J*(*f, g*) = 0 for Polynomials in *k*[*x, y*]A Nowicki Nagoya Mathematical Journal 109, 151-157, 1988 | 29 | 1988 |

Rings of constants for k-derivations in k [x1,..., xn] M Nagata, A Nowicki J. Math. Kyoto Univ 28 (1), 111-118, 1988 | 29 | 1988 |

An example of a simple derivation in two variables A Nowicki Colloq. Math 113 (1), 25-31, 2008 | 22 | 2008 |

Derivations of special subrings of matrix rings and regular graphs A Nowicki Tsukuba Journal of Mathematics 7 (2), 281-297, 1983 | 22 | 1983 |

Derivations of polynomial algebras without Darboux polynomials JM Ollagnier, A Nowicki Journal of Pure and Applied Algebra 212 (7), 1626-1631, 2008 | 21 | 2008 |

Rational constants of monomial derivations A Nowicki, J Zieliński Journal of Algebra 302 (1), 387-418, 2006 | 20 | 2006 |

Commutative bases of derivations in polynomial and power series rings A Nowicki Journal of Pure and Applied Algebra 40, 275-279, 1986 | 20 | 1986 |

The Lie structure of a commutative ring with a derivation A Nowicki Archiv der Mathematik 45 (4), 328-335, 1985 | 20 | 1985 |

Generators of rings of constants for some diagonal derivations in polynomial rings A Nowicki, JM Strelcyn Journal of Pure and Applied Algebra 101 (2), 207-212, 1995 | 19 | 1995 |

On the Jacobian conjecture in two variables A Nowicki Journal of Pure and Applied Algebra 50 (2), 195-207, 1988 | 18 | 1988 |

Inner derivations of higher orders A Nowicki Tsukuba Journal of Mathematics, 219-225, 1984 | 18 | 1984 |

Liczby kwadratowe A Nowicki Podróże po Imperium Liczb, cz.3, 2012 | 13 | 2012 |