%0 Journal Article
%A Yasutoshi Nomura
%T Induced morphisms for Lambek invariants of commutative squares.
%J Manuscripta mathematica
%D 1971
%P 263-276
%V 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1971__4_154047/
%F MM2_1971__4_154047