Amit, Daniel J. Field theory, the renormalization group, and critical phenomena. - New York : McGraw Hill international book co., 1978. - 336 p. : 24 cm. - International series in pure and applied physics . - International series in pure and applied physics . BibliografĂa la final de cada capĂtulo Subjects--Topical Terms: FASES, TRANSFORMACION DEMODELOS FISICOS