@article{10_4064_sm181_2_1,
     author = {Krzysztof Bogdan and Pawe{\l} Sztonyk},
     title = {Estimates of the potential kernel and {Harnack's} inequality for the anisotropic fractional {Laplacian}},
     journal = {Studia Mathematica},
     pages = {101--123},
     publisher = {mathdoc},
     volume = {181},
     number = {2},
     year = {2007},
     doi = {10.4064/sm181-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm181-2-1/}
}