%0 Journal Article %A Thomason, S. K. %T A Note on Non-Distributive Sublattices of Degrees and Hyperdegrees %J Canadian journal of mathematics %D 1969 %P 147-148 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-013-2/ %R 10.4153/CJM-1969-013-2 %F 10_4153_CJM_1969_013_2