Williamson, Richard E. Calculus of vector functions [electronic resource] / [by] Richard E. Williamson, Richard H. Crowell [and] Hale F. Trotter.. — [3d ed.]. — Englewood Cliffs, N.J., : Prentice-Hall, [1972]. — xii, 617 p. : illus. 25 cm.
A revision of the 1st ed. of Calculus of vector functions, by R. H. Crowell and R. E. Williamson.