@article{10_1017_S001708950800462X,
     author = {KISHI, YASUHIRO},
     title = {NOTE {ON} {THE} {DIVISIBILITY} {OF} {THE} {CLASS} {NUMBER} {OF} {CERTAIN} {IMAGINARY} {QUADRATIC} {FIELDS}},
     journal = {Glasgow mathematical journal},
     pages = {187--191},
     year = {2009},
     volume = {51},
     number = {1},
     doi = {10.1017/S001708950800462X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950800462X/}
}