Search results for: S. B. Yakubovich
Opuscula Mathematica > 2011 > Vol. 31, no. 1 > 137-146
Opuscula Mathematica > 2009 > Vol. 29, no. 3 > 313-329
Opuscula Mathematica > 2009 > Vol. 29, no. 1 > 93-110
Lithuanian Mathematical Journal > 2006 > 46 > 2 > 233-245
Lithuanian Mathematical Journal > 2005 > 45 > 1 > 102-122