Graczyk, P., Jakubowski, T., &; Luks, T. (2013). Martin representation and Relative Fatou Theorem for fractional Laplacian with a gradient perturbation. Positivity, 17(4), 1043–1070.https://doi.org/10.1007/s11117-012-0220-6 
LibreCat: /record/40070
DOI: 10.1007/s11117-012-0220-6