%0 Journal Article
%A Chronowski, Antoni
%T On extensions of homomorphisms and homotopies of commutative $n$-adic groups
%J Archivum mathematicum
%D 1991
%P 139-148
%V 27
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1991__27_3-4_a0/
%G en
%F ARM_1991__27_3-4_a0