%0 Journal Article %A S. I. Piskarev %T Solution of second-order evolution equations under Kre{\v\i}n--Fattorini conditions %J Differencialʹnye uravneniâ %D 1985 %P 1604-1612 %V 21 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_9_a17/ %G ru %F DE_1985_21_9_a17