%0 Journal Article %A R. S. Saks %T On properties of the generalized elliptic pseudo-differential operators on closed manifolds %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 215-269 %V 243 %U http://geodesic.mathdoc.fr/item/ZNSL_1997_243_a13/ %G ru %F ZNSL_1997_243_a13