@article{YJOR_1992_2_1_a1,
     author = {V. N. Burkov and M.I. Rubinstein},
     title = {Combinatorial {Methods} for {Solving} {Problems} of {Optimal} {Portional} {Resource} {Distribution}},
     journal = {Yugoslav journal of operations research},
     pages = {13 },
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1992},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1992_2_1_a1/}
}