@article{AFM_1994_19_1_a10,
     author = {G.D. Anderson and M. Lehtinen and M. Vuorinen},
     title = {Conformal invariants in the punctured unit disk},
     journal = {Annales Fennici Mathematici},
     pages = {133--146},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1994_19_1_a10/}
}