LECTURE NOTES IN MATHEMATICS 1366: GRASSMANNIANS AND GAUSS MAPS IN PIECEWISE-LINEAR TOPOLOGY
1989 年出版207 页ISBN:3540507566;0387507566
GRADUATE TEXTS IN MATHEMATICS 78:A COURSE IN UNIVERSAL ALGEBRA
STANLEY BURRIS H.P.SANKAPPANAVAR1981 年出版279 页ISBN:0387905782