@article{10_4064_ap_40_1_81_93,
     author = {A. Azzam},
     title = {Smoothness properties of solutions of mixed boundary value problems for elliptic equations in sectionally smooth n-dimensional domains},
     journal = {Annales Polonici Mathematici},
     pages = {81--93},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1981},
     doi = {10.4064/ap-40-1-81-93},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-40-1-81-93/}
}