@article{DE_1965_1_3_a13,
     author = {N. I. Brisch and I. N. Valeshkevich},
     title = {The {Fourier} method for nonstationary equations with general boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {393--399},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_3_a13/}
}