%0 Journal Article
%T Crosscaps and knotes
%A Bradd Evans Clark
%J International Journal of Mathematics and Mathematical Sciences
%D 1978
%I Hindawi Publishing Corporation
%R 10.1155/s0161171278000149
%K nonorientable surfaces
%K knot invariants
%K crosscaps and knots.
%U http://dx.doi.org/10.1155/S0161171278000149