TY - JOUR AU - S. I. Mitrokhin TI - The asymptotics of the eigenvalues of a fourth order differential operator with summable coefficients JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2009 SP - 14 EP - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2009_3_a2/ LA - ru ID - VMUMM_2009_3_a2 ER -