%0 Journal Article %A E. Z. Kогоl' %T Operator methods for integrating Euler and Bessel equations of order $(N+2M)$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2001 %P 31-40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2001_4_a5/ %G ru %F VMUMM_2001_4_a5