@article{10_4153_CJM_1992_008_0,
     author = {Lyzzaik, Abdallah},
     title = {Local {Properties} of {Light} {Harmonic} {Mappings}},
     journal = {Canadian journal of mathematics},
     pages = {135--153},
     year = {1991},
     volume = {44},
     number = {1},
     doi = {10.4153/CJM-1992-008-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-008-0/}
}