@article{DAN_1968_179_6_a12,
     author = {N. N. Kochina},
     title = {Periodic solution of the diffusion equation with nonlinear boundary condition},
     journal = {Doklady Akademii Nauk},
     pages = {1297--1300},
     publisher = {mathdoc},
     volume = {179},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_6_a12/}
}