Yunker, Lee E. Merrill Advanced Mathematical Concepts / Lee E. Yunker, G.D. Vannatta, F.J. Crosswhite. - Columbos, Ohio : A Bell & Howell Co. : Charles E. Merrill Publ. co. , 1981. - 564 p. ISBN: 0-675-03000-5 Subjects--Topical Terms: Mathematics