@article{10_4064_sm_94_3_273_290,
     author = {Fernando Cobos and Jaak Peetre},
     title = {A multidimensional {Wolff} theorem},
     journal = {Studia Mathematica},
     pages = {273--290},
     year = {1989},
     volume = {94},
     number = {3},
     doi = {10.4064/sm-94-3-273-290},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-94-3-273-290/}
}