@article{IM_1969__8_141985,
     author = {TZEE-CHAR Kuo},
     title = {A {Complete} {Determination} of {Co-Sufficiency} in {Jr} (2,1).},
     journal = {Inventiones mathematicae},
     pages = {226--235},
     publisher = {mathdoc},
     volume = {8},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/IM_1969__8_141985/}
}