@article{10_14708_ma_v5i9_1210,
     author = {K. Zorychta},
     title = {Dynamic optimization on a set of permutations},
     journal = {Mathematica Applicanda},
     pages = { 25--33},
     publisher = {mathdoc},
     volume = {5},
     number = {9},
     year = {1977},
     doi = {10.14708/ma.v5i9.1210},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v5i9.1210/}
}