%0 Journal Article %A Mathsen, Ronald M. %T λ(n)-Parameter Families %J Canadian mathematical bulletin %D 1969 %P 185-191 %V 12 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-020-9/ %R 10.4153/CMB-1969-020-9 %F 10_4153_CMB_1969_020_9