@article{10_4064_fm213_2_4,
     author = {Alexey Ostrovsky},
     title = {Preservation of  the  {Borel} class under open-$LC$  functions},
     journal = {Fundamenta Mathematicae},
     pages = {191--195},
     publisher = {mathdoc},
     volume = {213},
     number = {2},
     year = {2011},
     doi = {10.4064/fm213-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm213-2-4/}
}