TY - BOOK AU - Polyakov,A.M. TI - Gauge fields and strings T2 - Contemporary concepts in physics SN - 3718603934 U1 - 530.143 PY - 1987/// CY - Chur: PB - HAP, KW - CAMPOS DE CALIBRACION (FĂ­sica) KW - MODELOS DE CUERDAS ER -