00578nam a2200181Ia 4500082002000000100004500020245005000065260003400115300001600149490003900165500000500204690000600209700003500215952010200250964001700352921001000369999001700379  a515.9bAl437.FT  aAlling, Norman L. and Greenleaf, Newcomb  aFoundations of the theory of Klein surfacesb  aBerlinbSpringer-Verlagc1971  aviii, 117p.  aLecture notes in Mathematicsv 219  a  a   aGreenleaf, Newcomb ; jt. auth.  00104070aISIbISId1998-09-17l0o515.9 Al437.FTpDP14326r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a11613  c11613d11613