Pynzenyk - Viktor Mykhailovych Pynzenyk et al
References 1 - 7 for %D0%93%D1%80%D0%B8%D0%B2%D0%BD%D1%83 %D0%B6%D0%B4%D0%B5%D1%82 %D0%BF%D0%B0%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5
References 1 - 7 for %D0%93%D1%80%D0%B8%D0%B2%D0%BD%D1%83 %D0%B6%D0%B4%D0%B5%D1%82 %D0%BF%D0%B0%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5