TY - JOUR AU - V. È. Lyantse TI - Expansion in eigenfunctions of a one-dimensional first-order pseudodifferential operator with constant coefficients JO - Doklady Akademii Nauk PY - 1973 SP - 38 EP - 41 VL - 213 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_213_1_a8/ LA - ru ID - DAN_1973_213_1_a8 ER -