TY - JOUR AU - E. Z. Kогоl' TI - Operator methods for integrating Euler and Bessel equations of order $(N+2M)$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2001 SP - 31 EP - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2001_4_a5/ LA - ru ID - VMUMM_2001_4_a5 ER -