%0 Journal Article %A R. S. Saks %T Boundary-value problems for some equations connected with the operator of exterior differentiation %J Doklady Akademii Nauk %D 1974 %P 39-41 %V 218 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a8/ %G ru %F DAN_1974_218_1_a8