@article{10_4153_CJM_1970_079_x,
     author = {Ra, M. L. Narayana},
     title = {Conjecture of {D.} {R.} {Hughes} {Extended} to {Generalized} {Andr\'e} {Planes}},
     journal = {Canadian journal of mathematics},
     pages = {701--704},
     year = {1970},
     volume = {22},
     number = {3},
     doi = {10.4153/CJM-1970-079-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-079-x/}
}