@article{SVFU_2017_24_a1,
     author = {S. Z. Djamalov},
     title = {On correctness of nonlocal edge problem with constant coefficient for multidimensional second order equation of mixed type},
     journal = {Matemati\v{c}eskie zametki SVFU},
     pages = {17--27},
     publisher = {mathdoc},
     volume = {24},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVFU_2017_24_a1/}
}