TY - JOUR AU - S. A. Vorob'eva AU - A. V. Glushak TI - An Abstract Euler--Poisson--Darboux Equation Containing Powers of an Unbounded Operator JO - Differencialʹnye uravneniâ PY - 2001 SP - 706 EP - 709 VL - 37 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_5_a14/ LA - ru ID - DE_2001_37_5_a14 ER -