@article{10_4064_ap112_2_5,
     author = {Andrzej Czarnecki},
     title = {Cutting description of trivial 1-cohomology},
     journal = {Annales Polonici Mathematici},
     pages = {181--184},
     publisher = {mathdoc},
     volume = {112},
     number = {2},
     year = {2014},
     doi = {10.4064/ap112-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap112-2-5/}
}