TY - BOOK AU - Barut A O Ed. ED - NATO advanced study institute on nonlinear equationa in physics and mathematics (1977 : Turkey) TI - Proceeding on nonlinear equations in physics and mathematics T2 - Nato advanced study institute series; 40 U1 - C:(B)p1,N77, L8 PY - 1978/// CY - Dordrecht PB - D Reidel Publishing KW - Physics ER -