@article{10_14708_ma_v3i5_1186,
     author = {S. Gnot},
     title = {\'Srednia efektywno\'s\'c uk{\l}ad\'ow blokowych},
     journal = {Mathematica Applicanda},
     pages = { 89--102},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1975},
     doi = {10.14708/ma.v3i5.1186},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v3i5.1186/}
}