TY - JOUR AU - G. G. Devdariani TI - An elliptic second-order equation with singular coefficients JO - Differencialʹnye uravneniâ PY - 1995 SP - 90 EP - 93 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_1_a11/ LA - ru ID - DE_1995_31_1_a11 ER -