TY - JOUR AU - B. I. Aleksandriiskii TI - Asymptotic behavior of the positive eigenvalues of second order linear integro-differential equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1973 SP - 3 EP - 9 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1973_12_a0/ LA - ru ID - IVM_1973_12_a0 ER -