@article{SM_1995_186_12_a1,
     author = {A. V. Aminova},
     title = {Projective transformations and symmetries of differential equation},
     journal = {Sbornik. Mathematics},
     pages = {1711--1726},
     publisher = {mathdoc},
     volume = {186},
     number = {12},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_186_12_a1/}
}