@article{AULFM_1995_07_a2,
     author = {Wilczy\'nski, W{\l}adys{\l}aw and Rzepecka, Genowefa},
     title = {Two remarks about surfaces},
     journal = {Acta Universitatis Lodziensis. Folia Mathematica},
     year = {1995},
     volume = {07},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AULFM_1995_07_a2/}
}