%0 Journal Article %A M. A. Sychev %T Conditions on the integrand that are necessary and sufficient for %J Doklady Akademii Nauk %D 1995 %P 749-752 %V 344 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a5/ %G ru %F DAN_1995_344_6_a5