%0 Journal Article %A M. V. Bulatov %A A. A. Bulatova %T Numerical solution of degenerate systems of second-order ordinary differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1992 %P 21-26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1992_1_a3/ %G ru %F IVM_1992_1_a3