@article{SVMO_2017_19_4_a0,
     author = {S. Z. Djamalov},
     title = {The nonlocal boundary value problem with constant coefficients for the mixed-type equation of the second kind and of the second order in a rectangle},
     journal = {\v{Z}urnal Srednevol\v{z}skogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {12--22},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVMO_2017_19_4_a0/}
}