@article{IM2_1973_7_1_a2,
     author = {A. Yu. Ol'shanskii},
     title = {On the orders of free groups of locally finite varieties},
     journal = {Izvestiya. Mathematics },
     pages = {85--90},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_1_a2/}
}