@article{VMUMM_2003_6_a8,
     author = {N. V. Zharova},
     title = {Incomplete separation of variables for some classes of partial differential equations},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {42--46},
     year = {2003},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2003_6_a8/}
}