TY - BOOK AU - Brittin Wesley E Ed. ED - International conference on mathematical methods in theoretical physics (1971 : Colorado university) TI - Proceeding on mathematical methods in theoretical physics T2 - Lectures in theoretical physics; 148 U1 - C:(B)p1,N71, L3 PY - 1973/// CY - Boulder PB - Coloardo Associated university Press KW - Mathematical physics ER -