%0 Journal Article %A D. L. Abrarov %T Topological obstructions to the existence of conditionally linear integrals %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1984 %P 72-75 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1984_6_a19/ %G ru %F VMUMM_1984_6_a19