TY - JOUR AU - V. S. Mokeichev TI - Differential equations whose coefficients are constant operators JO - Issledovaniya po Prikladnoi Matematike i Informatike PY - 1973 SP - 57 EP - 63 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/item/KUIPM_1973_1_1_a8/ LA - ru ID - KUIPM_1973_1_1_a8 ER -