Differential topology [by] Victor Guillemin [and] Alan Pollack. Guillemin, Victor, 1937- Pollack, Alan, 1946- joint author. Differential topology. QA613.6 .G84 513.83 GUD Includes bibliographical references. Englewood Cliffs, N.J. : Prentice-Hall , 1974. 1974. 1974 Text xvi, 222 p. : eng