@article{RM_2019_74_1_a2,
     author = {V. V. Kozlov},
     title = {Tensor invariants and integration of differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {111--140},
     year = {2019},
     volume = {74},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2019_74_1_a2/}
}