@article{DE_2005_41_5_a12,
     author = {E. A. Utkina},
     title = {On a {Differential} {Equation} with a {Higher-Order} {Partial} {Derivative} in {Three-Dimensional} {Space}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {697--701},
     publisher = {mathdoc},
     volume = {41},
     number = {5},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_5_a12/}
}