@article{01663729,
title = {An optimal control approach to manpower planning problem.},
journal = {Mathematical Problems in Engineering},
volume = {7},
year = {2001},
pages = {155-175},
doi = {10.1155/S1024123X01001594},
zbl = {1048.90129},
language = {en},
url = {http://dml.mathdoc.fr/item/01663729}
}
Lee, H. W. J.; Cai, X. Q.; Teo, K. L. An optimal control approach to manpower planning problem.. Mathematical Problems in Engineering, Tome 7 (2001) pp. 155-175. doi : 10.1155/S1024123X01001594. http://gdmltest.u-ga.fr/item/01663729/