@article{PORMA_2006__63_4_55938,
     author = {Delgado, M. and Rosales, J.C.},
     title = {On the {Frobenius} number of a proportionally modular {Diophantine} inequality.},
     journal = {Portugaliae mathematica},
     pages = {415--425},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {2006},
     zbl = {1172.11011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2006__63_4_55938/}
}