@article{DAN_1971_197_5_a11,
     author = {V. I. Feigin},
     title = {Boundary value problems for quasielliptic equations in noncylindrical regions},
     journal = {Doklady Akademii Nauk},
     pages = {1034--1037},
     publisher = {mathdoc},
     volume = {197},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a11/}
}