TY - JOUR AU - I. I. Kal'mushevskii TI - The completeness of the eigenfunctions and associated functions of operators in~$L^2[0,l]$ JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1970 SP - 61 EP - 64 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1970_1_a7/ LA - ru ID - IVM_1970_1_a7 ER -