@article{10_1017_S0017089518000344,
     author = {YAMADA, TOMOHIRO},
     title = {A {GENERALIZATION} {OF} {THE} {RAMANUJAN{\textendash}NAGELL} {EQUATION}},
     journal = {Glasgow mathematical journal},
     pages = {535--544},
     year = {2019},
     volume = {61},
     number = {3},
     doi = {10.1017/S0017089518000344},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089518000344/}
}