Lovasz, Laszlo, Discrete mathematics : elementary and beyond / L. Lovasz, J. Pelikan, K. Vesztergombi. - New York : Springer, c2003. - ix, 290 p. : - Undergraduate texts in mathematics . Includes index. ISBN: 8181280652 Subjects--Topical Terms: Mathematics.--- Dewey Class. No.: 510 / Di