1. A. S. Dzhumadil’daev, “Cohomology of modular Lie algebras,” Mat. Sb. 119(1), 132–149 (1982) [Math. USSR-Sb. 47 (1), 124–143 (1984)].
2. Pure Appl. Math;J C Jantzen,1987
3. G. Hochschild, “Cohomology of restricted Lie algebras,” Amer. J. Math. 76(3), 555–580 (1954).
4. J. B. Sullivan, “Frobenius operations on Hochschild cohomology,” Amer. J. Math. 102(4), 765–780 (1980).
5. J. C. Jantzen, “First cohomology groups for classical Lie algebras,” in Representation Theory of Finite Groups and Finite-Dimensional Algebras, Progr. Math. (Birkhäuser Verlag, Basel, 1991), Vol. 95, pp. 289–315.