@article{10_4064_cm107_1_2,
     author = {Przemys/law G/orka},
     title = {An overdetermined elliptic problem in a domain
 with countably rectifiable boundary},
     journal = {Colloquium Mathematicum},
     pages = {7--14},
     publisher = {mathdoc},
     volume = {107},
     number = {1},
     year = {2007},
     doi = {10.4064/cm107-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm107-1-2/}
}