@article{DE_1977_13_10_a30,
     author = {N. I. Ionkin},
     title = {Letter to the editors: {``The} solution of a certain boundary value problem of the theory of heat conduction with a nonclassical boundary condition'' {(Differencial'nye} {Uravnenija} \textbf{13} (1977), no. 2, 294--304)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1903},
     publisher = {mathdoc},
     volume = {13},
     number = {10},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_10_a30/}
}