А. В. Чернавский, “О работах Л. В. Келдыш и ее семинара”, УМН, 60:4(364) (2005), 11–36 ; A. V. Chernavskii, “On the work of L. V. Keldysh and her seminar”, Russian Math. Surveys, 60:4 (2005), 589–614
M. Hazewinkel, Encyclopaedia of Mathematics, 1993, 123
Steven C. Ferry, Erik Kjaer Pedersen, “Some mildly wild circles in Sn arising from algebraic K-Theory”, K-Theory, 4:5 (1991), 479
Pure and Applied Mathematics, 124, 1986, 303
М. А. Штанько, “Аппроксимация вложений многообразий в коразмерности единица”, Матем. сб., 94(136):3(7) (1974), 483–494 ; M. A. Shtan'ko, “Approximation of imbeddings of manifolds in codimension one”, Math. USSR-Sb., 23:3 (1974), 456–466