@article{CHFMJ_2017_2_3_a1,
     author = {A. A. Ershov and M. I. Rusanova},
     title = {Asymptotics of a  boundary-value problem solution for the {Laplace} equation with type changing of the boundary condition on two small sites},
     journal = {\v{C}el\^abinskij fiziko-matemati\v{c}eskij \v{z}urnal},
     pages = {266--281},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHFMJ_2017_2_3_a1/}
}