@article{AFM_2002_27_1_a12,
     author = {Azeddine Baalal and Wolfhard Hansen},
     title = {Nonlinear perturbation of balayage spaces},
     journal = {Annales Fennici Mathematici},
     pages = {163--172},
     year = {2002},
     volume = {27},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2002_27_1_a12/}
}