@book{15959,
	author = {Dewitt, C. and Stora, R.},
	title = {Statistical mechanics and quantum field theory; mecnaique statistique et theorie quantique des champs},
	publisher = {Gordon & Breach,},
	year = {1971},
	series = {Universite de Grenoble-Summer school of Theoretical Physics, Les Houches},
	address = {New York:}
}