Wyniki wyszukiwania dla: O. A. Zadvornov
Differential Equations > 2014 > 50 > 7 > 976-980
Lobachevskii Journal of Mathematics > 2013 > 34 > 4 > 412-415
Russian Mathematics > 2011 > 55 > 12 > 63-66
Russian Mathematics > 2007 > 51 > 8 > 14-24
Differential Equations > 2005 > 41 > 7 > 915-922