@article{ZVMMF_1998_38_10_a20,
     author = {I. I. Melamed and I. Kh. Sigal},
     title = {Numerical analysis of tricriteria tree and assignment problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1780--1787},
     publisher = {mathdoc},
     volume = {38},
     number = {10},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_10_a20/}
}