A univalence criterion for meromorphic functions J. Miazga; A. Wesołowski — 1991 Annales Polonici Mathematici A sufficient univalence condition for meromorphic functions is given
Koebe domains for univalent functions with real coefficients under Montel's normalization Z. Lewandowski; J. Miazga; J. Szynal — 1975 Annales Polonici Mathematici