TY - JOUR AU - T. V. Chekmarev TI - Properties of the solutions of a~degenerate elliptic system of equations of the type of the Tricomi equation.~I JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1969 SP - 97 EP - 106 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1969_10_a12/ LA - ru ID - IVM_1969_10_a12 ER -