@article{10_14708_cm_v21i1_5973,
     author = {G. Majcher and T. Styrylska},
     title = {On a multistage optimization problem {(I)}},
     journal = {Commentationes Mathematicae},
     pages = { 163--171},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1980},
     doi = {10.14708/cm.v21i1.5973},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v21i1.5973/}
}