TY - JOUR AU - I. P. Semenov TI - Approximate solution by the method of lines of a~boundary value problem for an equation of elliptic type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1977 SP - 91 EP - 99 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1977_11_a11/ LA - ru ID - IVM_1977_11_a11 ER -