Angel, E., & Bellman, R. [ca. 1972]. Dynamic programming and partial differential equations. In Mathematics in science and engineering [Cd]. New York: Academic Press.

ANGEL, Edward und BELLMAN, Richard, 1972. Dynamic programming and partial differential equations. New York: Academic Press. ISBN 9780120579501.

Angel, E., und R. Bellman. „Dynamic programming and partial differential equations“. Mathematics in science and engineering, cd, Academic Press, 1972.

Angel, Edward/Bellman, Richard: Dynamic programming and partial differential equations, New York 1972.

Angel, E. und Bellman, R. (1972), Dynamic programming and partial differential equations, Mathematics in science and engineering, Bd. , Academic Press, New York.