@article{DAN_1985_280_2_a18,
     author = {K. A. Makarov},
     title = {Eigenfunctions of an operator of {\textquotedblleft}small diffusion{\textquotedblright} in a boundary},
     journal = {Doklady Akademii Nauk},
     pages = {337--342},
     year = {1985},
     volume = {280},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_280_2_a18/}
}