@article{AFM_2013_38_1_a13,
     author = {Bj\"orn Gustafsson and Yu-Lin Lin},
     title = {On the dynamics of roots and poles for solutions of the {Polubarinova-Galin} equation},
     journal = {Annales Fennici Mathematici},
     pages = {259--286},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {2013},
     doi = {10.5186/aasfm.2013.3802},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2013.3802/}
}