%0 Journal Article %A A. A. Ligun %T Sharp inequalities for perfect splines and their applications %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1984 %P 32-38 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1984_5_a5/ %G ru %F IVM_1984_5_a5