@article{CMH_1975__50_139627,
     author = {David Frank},
     title = {Irregular {Primes} and {Integrality} {Theorems} for {Manifolds.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {321--326},
     publisher = {mathdoc},
     volume = {50},
     year = {1975},
     zbl = {0321.57012},
     url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139627/}
}