@article{TMF_2005_142_3_a1,
     author = {R. S. Ismagilov},
     title = {Representations of groups in solution spaces of invariant differential equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {489--499},
     publisher = {mathdoc},
     volume = {142},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2005_142_3_a1/}
}