Self-Intersections of Immersed Manifolds
R. LashofS. Smale
Indiana University Mathematics Journal
1959
text
pdf
10.1512/iumj.1959.8.58010
10.1512/iumj.1959.8.58010
en
Indiana Univ. Math. J. 8 (1959) 143 - 157
state-of-the-art mathematics
http://iumj.org/access/