@article{1183524260,
author = {Bellman, Richard and Kalaba, Robert and Wing, G. Milton},
title = {Invariant imbedding and variational principles in transport theory},
journal = {Bull. Amer. Math. Soc.},
volume = {67},
number = {6},
year = {1961},
pages = { 396-399},
language = {en},
url = {http://dml.mathdoc.fr/item/1183524260}
}
Bellman, Richard; Kalaba, Robert; Wing, G. Milton. Invariant imbedding and variational principles in transport theory. Bull. Amer. Math. Soc., Tome 67 (1961) no. 6, pp. 396-399. http://gdmltest.u-ga.fr/item/1183524260/