@article{ZNSL_1997_247_a6,
     author = {N. Ya. Kruglyak},
     title = {Quantitative theorems on {Whitney} type coverings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {96--113},
     publisher = {mathdoc},
     volume = {247},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_247_a6/}
}