TY - JOUR AU - Hlaváček, Ivan TI - Variational formulation of the Cauchy problem for equations with operator coefficients JO - Applications of Mathematics PY - 1971 SP - 46 EP - 63 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1971.103325/ DO - 10.21136/AM.1971.103325 LA - en ID - 10_21136_AM_1971_103325 ER -