%0 Journal Article %A S. Ya. Yakubov %T A nonlocal boundary value problem for a class of Petrovskii well-posed equations %J Sbornik. Mathematics %D 1983 %P 255-265 %V 46 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1983_46_2_a6/ %G en %F SM_1983_46_2_a6