%0 Journal Article %A Helemskii, A. Ya. %T Extreme Version of Projectivity for Normed Modules Over Sequence Algebras %J Canadian journal of mathematics %D 2013 %P 559-574 %V 65 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2012-006-2/ %R 10.4153/CJM-2012-006-2 %F 10_4153_CJM_2012_006_2