@article{10_4064_sm_138_1_93_100,
     author = {K. I. Beidar and  },
     title = {Applying the density theorem for derivations to range inclusion problems},
     journal = {Studia Mathematica},
     pages = {93--100},
     publisher = {mathdoc},
     volume = {138},
     number = {1},
     year = {2000},
     doi = {10.4064/sm-138-1-93-100},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-138-1-93-100/}
}