@article{1365744,
      recid = {1365744},
      author = {Meziani, Abdelhamid,},
      title = {On first and second order planar elliptic equations with  degeneracies /},
      pages = {1 online resource (90 pages).},
      note = {"May 2012, Volume 217, Number 1019 (first of 4 numbers)."},
      url = {http://library.usi.edu/record/1365744},
}