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@article{PIM_1979_N_S_26_40_a9, author = {Nata\v{s}a B. Bo\v{z}inovi\'c}, title = {On {Some} {Classes} {Of} {Unrecognizable} {Properties} {Of} {Groups}}, journal = {Publications de l'Institut Math\'ematique}, pages = {65 }, publisher = {mathdoc}, volume = {_N_S_26}, number = {40}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a9/} }
Nataša B. Božinović. On Some Classes Of Unrecognizable Properties Of Groups. Publications de l'Institut Mathématique, _N_S_26 (1979) no. 40, p. 65 . http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a9/