@article{GDZPPN002453185,
title = {Two Machine Scheduling Problem when Passing Allowed.},
journal = {Metrika},
volume = {20},
year = {1973},
pages = {36-40},
zbl = {0252.90033},
url = {http://dml.mathdoc.fr/item/GDZPPN002453185}
}
Bagga, P.C. Two Machine Scheduling Problem when Passing Allowed.. Metrika, Tome 20 (1973) pp. 36-40. http://gdmltest.u-ga.fr/item/GDZPPN002453185/