@article{FAA_1984_18_4_a0,
     author = {D. G. Vasil'ev},
     title = {Two-term asymptotics of the spectrum of a boundary-value problem under an interior reflection of general form},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--13},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1984_18_4_a0/}
}