no. 1
Some 2-type submanifolds and applications
Annales de la Faculté des sciences de Toulouse : Mathématiques, Série 5, Tome 9 (1988) no. 1, pp. 121-131. 
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     author = {Chen, Bang-Yen and Lue, Huei-Shyong},
     title = {Some 2-type submanifolds and applications},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {121--131},
     publisher = {Universit\'e Paul Sabatier},
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     volume = {Ser. 5, 9},
     number = {1},
     year = {1988},
     zbl = {0636.53064},
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Chen, Bang-Yen; Lue, Huei-Shyong. Some 2-type submanifolds and applications. Annales de la Faculté des sciences de Toulouse : Mathématiques, Série 5, Tome 9 (1988) no. 1, pp. 121-131. http://www.numdam.org/item/AFST_1988_5_9_1_121_0/

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