@article{10_4153_CJM_1977_131_4,
     author = {Deveney, James K. and Mordeson, John N.},
     title = {Subfields and {Invariants} of {Inseparable} {Field} {Extensions}},
     journal = {Canadian journal of mathematics},
     pages = {1304--1311},
     year = {1977},
     volume = {29},
     number = {6},
     doi = {10.4153/CJM-1977-131-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-131-4/}
}