TY - BOOK AU - Martini R Ed. AU - De Jager E M Ed. ED - Scheveningen conference on differential equations (1981 : Netherlands) TI - Proceeding on geometric techniques in gauge theories T2 - Lecture notes in mathematics; 926 U1 - B33p1,N81, M2 PY - 1982/// CY - Berlin PB - Springer-Verlag ER -