@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},
     publisher = {mathdoc},
     number = {8},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_8_a0/}
}