00956nam0-22003131i-450 99000084251040332120200805124628.0000084251FED01000084251(Aleph)000084251FED0100008425120001010d--------km-y0itay50------baengUSy-------001yyNonlocal variations and local invariance of fieldsD. G. B. EdelenNew YorkAmerican Elsevier Publishing CompanyInc.1969XVI, 197 p.24 cmModern analytic and computational methods in science and mathematics19515.64Edelen,Dominic G. B.42142ITUNINARICAUNIMARCBK99000084251040332102 36 B 92670FINBNFINBNNonlocal Variations and Local Invariance of Fields348840UNINAING01