## Homotopy and integrability.(English)Zbl 0215.52403

Manifolds - Amsterdam 1970, Proc. NUFFIC Summer School Manifolds 1970, Lect. Notes Math. 197, 133-163 (1971).

### MSC:

 57R30 Foliations in differential topology; geometric theory 55R35 Classifying spaces of groups and $$H$$-spaces in algebraic topology 57R22 Topology of vector bundles and fiber bundles

Zbl 0212.307