@article{TRSPY_1964_71_a7,
     author = {G. I. Kalmykov},
     title = {Solution of a~type of diffusion equation},
     journal = {Informatics and Automation},
     pages = {62--77},
     publisher = {mathdoc},
     volume = {71},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1964_71_a7/}
}