On the application of Turán's method to the theory of Dirichlet L-functions K. Wiertelak — 1971 Acta Arithmetica
A note on the remainder term of the prime-number formula for arithmetical progressions K. Wiertelak — 1972 Commentationes Mathematicae The article contains no abstract
Further applications of Turán's methods to the distribution of prime ideals in ideal classes mod f W. Staś; K. Wiertelak — 1976 Acta Arithmetica
Some estimates in the theory of Dedekind Zeta-functions W. Staś; K. Wiertelak — 1973 Acta Arithmetica