@article{ZNSL_1980_96_a21,
     author = {K. I. Pileckas},
     title = {On spaces of divergence-free vectors},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {237--239},
     publisher = {mathdoc},
     volume = {96},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_96_a21/}
}