Imbeddings and homology cobordisms of lens spaces. Sylvain Cappell, Daniel Ruberman (1988) Commentarii mathematici Helvetici
Imbeddings, immersions and integrability of characteristic classes, Stavros Papastavridis (1978) Mathematica Scandinavica
Immersed and virtually embedded π 1 -injective surfaces in graph manifolds. Neumann, Walter D. (2001) Algebraic & Geometric Topology
Intégration des équations de Cauchy-Riemann induites formelles L. Boutet de Monvel (1974/1975) Séminaire Équations aux dérivées partielles (Polytechnique)