TY - JOUR AU - M. A. Bimenov AU - T. Sh. Kal'menov TI - A Test for the Completeness of the Root Vectors in the Tricomi Problem JO - Differencialʹnye uravneniâ PY - 2003 SP - 1425 EP - 1426 VL - 39 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2003_39_10_a13/ LA - ru ID - DE_2003_39_10_a13 ER -