%0 Journal Article %A I. S. Iokhvidov %A M. G. Krein %T Remark to the article ``Spectral theory of operators in space with indefinite metric.~I'' (Trudy Mosk. Mat. O-va 5 (1956)) %J Trudy Moskovskogo matematičeskogo obŝestva %D 1957 %P 486 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1957_6_a11/ %G ru %F MMO_1957_6_a11