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@article{EUG_1991__29_a4, author = {M. V. D. Burmester and Th. G. Exarhakos}, title = {The function g(h) for which {|A(G)|p>=p^h} whenever {|G|>=p^g(h)} , {G} a finite {P-group}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {27-44}, publisher = {mathdoc}, volume = {29}, year = {1991}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1991__29_a4/} }
M. V. D. Burmester; Th. G. Exarhakos. The function g(h) for which |A(G)|p>=p^h whenever |G|>=p^g(h) , G a finite P-group. Ευκλείδης Γ , Tome 29 (1991), p. 27-44. http://geodesic.mathdoc.fr/item/EUG_1991__29_a4/