[1] GILLMAN L., JERISON M.: Rings of continuous functions. Van Nostrand, Princeton 1960. MR 0116199 | Zbl 0093.30001

[2] GRABOWSKI J.: Algebry Liego pól wektorowych na rozmaitościach. Thesis, Univ. of Warsaw, 1981 . (Most of the results of this thesis is contained in the paper Grabowski J.: Isomorphisms and ideals of the Lie algebras of vector fields, Invent. Math. 50 (1978), 13-33.) MR 0516602

[3] MUNKRES J. R.: Elementary differential topology. Ann. Math. Studies 54, Princeton Univ. Press, Princeton, New Jersey, 1966. MR 0198479 | Zbl 0161.20201