00531nam a2200181Ia 4500082001600000100002900016245005100045260003400096300002200130490003900152500000500191690000600196700000500202952009800207964001700305921001000322999001700332  a514bZ67.FU  aZieschang, H. and Others  aFlachen und ebene diskontinuierliche gruppenb  aBerlinbSpringer-Verlagc1970  aviii, 203p. Index  aLecture notes in Mathematicsv 122  a  a   a  00104070aISIbISId1998-09-17l0o514 Z67.FUpDP14344r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a11678  c11678d11678