@article{MMO_1965_14_a3,
     author = {E. A. Gorin and V. V. Grushin},
     title = {On certain local theorems for partial differential equations with constant coefficients},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {200--210},
     publisher = {mathdoc},
     volume = {14},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1965_14_a3/}
}