@article{10_14708_ma_v37i51_10_270,
     author = {Jaros{\l}aw Michalkiewicz},
     title = {Modified {Kolmogorov{\textquoteright}s} theorem},
     journal = {Mathematica Applicanda},
     publisher = {mathdoc},
     volume = {37},
     number = {51/10},
     year = {2009},
     doi = {10.14708/ma.v37i51/10.270},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v37i51/10.270/}
}