@article{IVM_1988_5_a0,
     author = {D. E. Men'shov and A. M. Olevskiǐ},
     title = {Petr {Lavrent'evich} {Ul'yanov} (on the occasion of his sixtieth birthday)},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--6},
     publisher = {mathdoc},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1988_5_a0/}
}