@article{IM2_1967_1_3_a1,
     author = {V. S. Makarov},
     title = {On a class of two-dimensional {Fedorov} groups},
     journal = {Izvestiya. Mathematics},
     pages = {515--524},
     year = {1967},
     volume = {1},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_3_a1/}
}