@article{IVM_1960_4_a7,
     author = {V. I. Zhegalov},
     title = {A~boundary-value problem for a~fourth-order equation of mixed type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {73--78},
     publisher = {mathdoc},
     number = {4},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1960_4_a7/}
}