@article{DE_1989_25_12_a1,
     author = {A. R. Abdullaev and A. B. Burmistrova},
     title = {On the solvability of boundary value problems in the resonance case},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2044--2048},
     publisher = {mathdoc},
     volume = {25},
     number = {12},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_12_a1/}
}