00294nam a2200121Ia 4500082001800000100002600018245002400044260003400068300002200102490003800124500000500162700000500167  a512bSm562.MV  aSmith, Jonathan D. H.  aMal'cev varietiesb  aBerlinbSpringer-Verlagc1976  aviii, 158p. Index  aLecture notes in Mathematicsv 54  a  a