@article{IVM_1991_8_a0, author = {E. L. Aleksandrov}, title = {Spectral properties of operators with kernels that depend on the difference and sum of arguments}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--8}, year = {1991}, number = {8}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1991_8_a0/} }