@article{AFM_2020_45_1_a5,
     author = {John M. Mackay and Alessandro Sisto},
     title = {Quasi-hyperbolic planes in relatively hyperbolic groups},
     journal = {Annales Fennici Mathematici},
     pages = {139--174},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2020},
     doi = {10.5186/aasfm.2020.4511},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2020.4511/}
}