%0 Journal Article %A V. I. Titarenko %T Application of group methods in a~problem on the evolution of self-gravitating clusters of a~dust-filled gas nebula %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1991 %P 63-67 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1991_12_a11/ %G ru %F IVM_1991_12_a11