TY - JOUR AU - A. V. Pskhu TI - Solution of the Frankl problem for the Lavrentiev-Bitsadze equation JO - News of the Kabardin-Balkar scientific center of RAS PY - 1999 SP - 31 EP - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_1999_2_a2/ LA - ru ID - IZKAB_1999_2_a2 ER -