TY - JOUR AU - N. N. Tarkhanov AU - A. A. Shlapunov TI - Bases with double orthogonality in the Cauchy problem for systems JO - Doklady Akademii Nauk PY - 1992 SP - 45 EP - 49 VL - 326 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a8/ LA - ru ID - DAN_1992_326_1_a8 ER -