00377nam a2200121 a 450000500170000008200160001710000250003324500550005826000380011330000280015149000430017963000330022220251203090504.0  a512.55bEDE  aEdelen, Dominic  GB.  aNonlogal variations and local invariance of fields  aNew YorkbAmerican Elsevierc1969  axvi, 197 p.b22 cm.cPB  aModern analytic and computational...19  aTopological related algebras