@article{AA_2007_19_2_a3,
     author = {C. K. Gupta and W. Ho{\l}ubowski},
     title = {Automorphisms of a~free group of infinite rank},
     journal = {Algebra i analiz},
     pages = {74--85},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2007_19_2_a3/}
}