TY - JOUR AU - G. A. Sviridyuk TI - The Cauchy problem for a linear operator equation of Sobolev type with a nonpositive operator multiplying the derivative JO - Differencialʹnye uravneniâ PY - 1987 SP - 1823 EP - 1826 VL - 23 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_10_a28/ LA - ru ID - DE_1987_23_10_a28 ER -