00457nam a2200181Ia 4500 530.1 B646.GT Bleecker, David Gauge theory and variational principles Massachusetts Addison-Wesley 1981 xviii, 179p. Index, Bibl. Global analysis, Pure and Applied series A no. 1 0 0 0 0 ISI ISI 1998-10-07 0 530.1 B646.GT DP18228 2019-02-14 00:00:00 2019-02-14 BK 15515 15515 15515