@article{MOMA_1991__112_3_178540,
     author = {P\'eter T. Nagy},
     title = {Extension of {Local} {Loop} {Isomorphisms.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {221--226},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {1991},
     zbl = {0737.53016},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1991__112_3_178540/}
}