@article{ITA_2007__41_4_403_0,
     author = {Moczurad, W{\l}odzimierz},
     title = {Defect theorem in the plane},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {403--409},
     publisher = {EDP-Sciences},
     volume = {41},
     number = {4},
     year = {2007},
     doi = {10.1051/ita:2007018},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2007018/}
}