Balakrishnan, V. K. (1995). Schaum's outline of theory and problems of combinatorics. McGraw-Hill.
Dyfyniad Arddull ChicagoBalakrishnan, V. K. Schaum's Outline of Theory and Problems of Combinatorics. McGraw-Hill, 1995.
Dyfyniad MLABalakrishnan, V. K. Schaum's Outline of Theory and Problems of Combinatorics. McGraw-Hill, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.