%0 Journal Article %A Nobumitsu Nakauchi %T Homomorphism between Homotopy groups induced by elements of the sobolev space L1, p (M, N). %J Manuscripta mathematica %D 1993 %P 1-8 %V 78 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1993__78_4_155792/ %F MM2_1993__78_4_155792