@article{10_4153_CJM_1977_076_6,
     author = {JR., Monte B. Boisen and Sheldon, Philip B.},
     title = {CPI-Extensions: {Overrings} of {Integral} {Domains} with {Special} {Prime} {Spectrums}},
     journal = {Canadian journal of mathematics},
     pages = {722--737},
     year = {1977},
     volume = {29},
     number = {4},
     doi = {10.4153/CJM-1977-076-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-076-6/}
}