On diophantine equations involving sums of powers with quadratic characters as coefficients, I Jerzy Urbanowicz — 1994 Compositio Mathematica
Connections between B 2 , χ for even quadratic Dirichlet characters χ and class numbers of appropriate imaginary quadratic fields, II Jerzy Urbanowicz — 1990 Compositio Mathematica
Errata to the papers : “Connections between B 2 , χ for even quadratic Dirichlet characters χ ” and “Class numbers of appropriate imaginary quadratic fields, parts I and II” Jerzy Urbanowicz — 1991 Compositio Mathematica
Connections between B 2 , χ for even quadratic Dirichlet characters χ and class numbers of appropriate imaginary quadratic fields, I Jerzy Urbanowicz — 1990 Compositio Mathematica
On diophantine equations involving sums of powers with quadratic characters as coefficients, II Jerzy Urbanowicz — 1996 Compositio Mathematica
Corrigendum to the paper "On the 2-primary part of a conjecture of Birch and Tate" (Acta Arith. 43 (1983), 69-81) Jerzy Urbanowicz — 1993 Acta Arithmetica
On the equation f ( 1 ) 1 k + f ( 2 ) 2 k + . . . + f ( x ) x k + R ( x ) = b y z Jerzy Urbanowicz — 1988 Acta Arithmetica
A generalization of the Lerch-Mordell formulas for positive discriminants Jerzy Urbanowicz — 1990 Colloquium Mathematicae
Congruences among generalized Bernoulli numbers Janusz Szmidt; Jerzy Urbanowicz; Don Zagier — 1995 Acta Arithmetica
On some new congruences for generalized Bernoulli numbers Shigeru Kanemitsu; Jerzy Urbanowicz; Nianliang Wang — 2012 Acta Arithmetica
Divisibility properties of generalized Vandermonde determinants Stanisław Spież; Jerzy Urbanowicz; Paul van Wamelen — 2003 Acta Arithmetica