@article{1102806644, author = {Keynes, H. B. and Newton, D.}, title = {Minimal $(G,\,\tau)$-extensions.}, journal = {Pacific J. Math.}, volume = {79}, number = {2}, year = {1978}, pages = { 145-163}, language = {en}, url = {http://dml.mathdoc.fr/item/1102806644} }
Keynes, H. B.; Newton, D. Minimal $(G,\,\tau)$-extensions.. Pacific J. Math., Tome 79 (1978) no. 2, pp. 145-163. http://gdmltest.u-ga.fr/item/1102806644/