@article{10_4153_CJM_1969_101_9,
     author = {Gewirtz, A.},
     title = {Graphs with {Maximal} {Even} {Girth}},
     journal = {Canadian journal of mathematics},
     pages = {915--934},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-101-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-101-9/}
}