%0 Journal Article %A Hlaváček, Ivan %T Variational formulation of the Cauchy problem for equations with operator coefficients %J Applications of Mathematics %D 1971 %P 46-63 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1971.103325/ %R 10.21136/AM.1971.103325 %G en %F 10_21136_AM_1971_103325