@article{10_4064_aa_65_4_353_366,
     author = {Zdzis{\l}aw Skupie\'n},
     title = {A generalization of {Sylvester's} and {Frobenius'} problems on numerical semigroups},
     journal = {Acta Arithmetica},
     pages = {353--366},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {1993},
     doi = {10.4064/aa-65-4-353-366},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-65-4-353-366/}
}