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@article{JRAM_1981__321_152313, author = {Johannes Huebschmann}, title = {Group extensions, crossed pairs and an eight term exact sequence.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {150--172}, publisher = {mathdoc}, volume = {321}, year = {1981}, zbl = {0441.20033}, url = {http://geodesic.mathdoc.fr/item/JRAM_1981__321_152313/} }
TY - JOUR AU - Johannes Huebschmann TI - Group extensions, crossed pairs and an eight term exact sequence. JO - Journal für die reine und angewandte Mathematik PY - 1981 SP - 150 EP - 172 VL - 321 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JRAM_1981__321_152313/ ID - JRAM_1981__321_152313 ER -
Johannes Huebschmann. Group extensions, crossed pairs and an eight term exact sequence.. Journal für die reine und angewandte Mathematik, Tome 321 (1981), pp. 150-172. http://geodesic.mathdoc.fr/item/JRAM_1981__321_152313/