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@article{DEME_1999__41_a0, author = {George Danas}, title = {Crossed modules, {Crossed} n-fold extension of groups and {Cohomology} theory in {Abstract} {Categories}}, journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} }, pages = {3-27}, publisher = {mathdoc}, volume = {41}, year = {1999}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1999__41_a0/} }
TY - JOUR AU - George Danas TI - Crossed modules, Crossed n-fold extension of groups and Cohomology theory in Abstract Categories JO - Δελτίο της Ελληνικής Μαθηματικής Εταιρίας PY - 1999 SP - 3 EP - 27 VL - 41 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DEME_1999__41_a0/ LA - gr ID - DEME_1999__41_a0 ER -
George Danas. Crossed modules, Crossed n-fold extension of groups and Cohomology theory in Abstract Categories. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 41 (1999), p. 3-27. http://geodesic.mathdoc.fr/item/DEME_1999__41_a0/