no. 1
Deformation of Lie algebras and Lie algebras of deformations
Compositio Mathematica, Tome 75 (1990) no. 1, pp. 69-111. 
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     author = {Bjar, Harald and Laudal, Olav Arnfinn},
     title = {Deformation of {Lie} algebras and {Lie} algebras of deformations},
     journal = {Compositio Mathematica},
     pages = {69--111},
     publisher = {Kluwer Academic Publishers},
     volume = {75},
     number = {1},
     year = {1990},
     mrnumber = {1059956},
     zbl = {0708.14005},
     language = {en},
     url = {http://www.numdam.org/item/CM_1990__75_1_69_0/}
}
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Bjar, Harald; Laudal, Olav Arnfinn. Deformation of Lie algebras and Lie algebras of deformations. Compositio Mathematica, Tome 75 (1990) no. 1, pp. 69-111. http://www.numdam.org/item/CM_1990__75_1_69_0/

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