TY - JOUR AU - I. V. Suveyka TI - The method of a priori estimates in the Cauchy problem for I.\,G.~Petrovski{\v\i} well-posed systems of equations with variable coefficients JO - Differencialʹnye uravneniâ PY - 1977 SP - 1855 EP - 1866 VL - 13 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_10_a16/ LA - ru ID - DE_1977_13_10_a16 ER -