@article{IVM_1978_2_a0,
     author = {P. V. Belousov and O. B. Sidonskii},
     title = {The group of triangular matrices and parabolic cylindrical functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--7},
     publisher = {mathdoc},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1978_2_a0/}
}