TY - GEN AU - Neher,Erhard TI - Jordan triple systems by the grid approach T2 - Lecture notes in mathematics SN - 0387183620 (U.S. : pbk.) : U1 - 510 512.53 PY - 1987/// CY - Berlin, New York PB - Springer-Verlag KW - Jordan algebras KW - Surfaces, Ruled N1 - Index ER -