@article{DE_1972_8_2_a13,
     author = {L. I. Kamynin},
     title = {On the {Gevrey} theory for parabolic {potentials.~IV,} {V}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {318--332},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_2_a13/}
}