@article{MZM_2018_103_6_a0,
     author = {D. N. Bushev and Yu. I. Kharkevich},
     title = {Finding {Solution} {Subspaces} of the {Laplace} and {Heat} {Equations
}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {803--817},
     publisher = {mathdoc},
     volume = {103},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_103_6_a0/}
}