@article{MZ_1971__121_171566,
     author = {Peter I. Booth},
     title = {The {Section} {Problem} and the {Lifting} {Problem.}},
     journal = {Mathematische Zeitschrift},
     pages = {273--287},
     publisher = {mathdoc},
     volume = {121},
     year = {1971},
     zbl = {0207.22203},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__121_171566/}
}