Reinhart, Bruce L Differential geometry of foliations : the fundamental integrability problem / Bruce L. Reinhart - Berlin : Springer-Verlag, 1983 - ix, 194 p. ; 25 cm. - Ergebnisse der mathematik und ihrer Grenzgebiete 99 . Includes bibliographies and indexes LCCN: 83-4711 Subjects--Topical Terms: Foliations (Mathematics)Geometry, Differential