@article{VVGUM_2017_20_3_a4,
     author = {B. Zegarli\'nski},
     title = {Crystallographic {Groups} for {H{\"o}rmander} {Fields}},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {43--64},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2017_20_3_a4/}
}