TY - JOUR AU - I. P. Semenov TI - An approximate solution by the method of lines for a boundary value problem with a biharmonic operator in the disc JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 1969 SP - 145 EP - 151 VL - 129 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a15/ LA - ru ID - UZKU_1969_129_3_a15 ER -