00495naa#a2200169#i#450# EN\INFRA-M\bibl\2134 20240516141750.4 2308-4898 20140303b2014####ek#y0engy0150####ca RUS RU Graph-analytic Solution of Some Special Problems of Quadratic Programming Journal article Moscow INFRA-M Academic Publishing LLC. 2014 5 с. Journal article local Sal'kov N. A. naukaru.ru