%0 Journal Article %A Bruce, J. W. %T A Zeuthen Segre formula for even dimensional submanifolds of real projective space %J Glasgow mathematical journal %D 1983 %P 97-99 %V 24 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005127/ %R 10.1017/S0017089500005127 %F 10_1017_S0017089500005127