00545nam a2200145Ia 4500008004100000082001600041100003600057245006200093260003600155300002100191490003900212942001200251952012100263999001500384260427b        |||||||| |||| 00| 0 eng d  a512bK14.IC  aKallen, W. L. J. Van der922409  aInfinitesimally central extensions of chevalley groupsb/  aBerlin:bSpringer-Verlag,c1973  avii, 147p. Index  aLecture notes in Mathematicsv 356  2ddccBK  0010406512_000000000000000_K14_IC70911988aISIbISId1998-09-09l0o512 K14.ICpDP14400r2019-02-14 00:00:00yBK  c9759d9759