@article{AFM_1997_22_2_a8,
     author = {Pekka Tukia},
     title = {Conservative action and the horospheric limit set},
     journal = {Annales Fennici Mathematici},
     pages = {387--394},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1997_22_2_a8/}
}