@article{DE_1990_26_7_a6,
     author = {R. S. Minasyan},
     title = {The periodic heat flow in a hollow cylinder},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1153--1160},
     year = {1990},
     volume = {26},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_7_a6/}
}