TY - JOUR AU - N. I. Ionkin TI - 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 13 (1977), no. 2, 294–304) JO - Differencialʹnye uravneniâ PY - 1977 SP - 1903 VL - 13 IS - 10 UR - http://geodesic.mathdoc.fr/item/DE_1977_13_10_a30/ LA - ru ID - DE_1977_13_10_a30 ER -