@book{9186,
	author = {Tomescu, Ioan and Malter, Robart A.},
	title = {Problems in combinatorics and graph theory},
	publisher = {John Wiley,},
	year = {1985},
	series = {Wiley-interscience series in discrete Mathematics},
	address = {New York:},
	note = {"Translated from the Romanian by Robert A. Malter".}
}