@article{DE_1977_13_7_a26,
     author = {V. Ya. Yaroslavtseva},
     title = {Boundary value problems for equations with a {Legendre} operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1341--1343},
     publisher = {mathdoc},
     volume = {13},
     number = {7},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_7_a26/}
}