@article{AFM_1991_16_2_a10,
     author = {Edgar Reich and Chen Jixiu},
     title = {Extensions with bounded \ensuremath{\partial}-derivative},
     journal = {Annales Fennici Mathematici},
     pages = {377--389},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1991},
     doi = {10.5186/aasfm.1991.1623},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1991.1623/}
}