By Subbotin Yu.   in Ukrainian Mathematical Journal

ISSN:0041-5995|62|3|483-493

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 14.952961

By Vereshchagin V.   Subbotin Yu.   Chernykh N.   in Proceedings of the Steklov Institute of Mathematics

ISSN:0081-5438|284|1|159-174

MAIK Nauka/Interperiodica‎(2014)‎

Access to resources Favorite 9.150015