@article{MAN_1956__132_160519,
     author = {J.H.H. Chalk},
     title = {An {Estimate} for the {Fundamental} {Solutions} of a {Generalized} {Pell} {Equation.}},
     journal = {Mathematische Annalen},
     pages = {263--276},
     publisher = {mathdoc},
     volume = {132},
     year = {1956},
     zbl = {0072.03704},
     url = {http://geodesic.mathdoc.fr/item/MAN_1956__132_160519/}
}