Mahesh G. Nerurkar, “On the construction of smooth ergodic skew-products”, Ergod Th Dynam Sys, 8:2 (1988)
О. Н. Агеев, “Динамические системы с четнократной лебеговской компонентой в спектре”, Матем. сб., 136(178):3(7) (1988), 307–319 ; O. N. Ageev, “Dynamical systems with an even-mulriplicity Lebesgue component in the spectrum”, Math. USSR-Sb., 64:2 (1989), 305–317
Jane M. Hawkins, E. A. Robinson, Lecture Notes in Mathematics, 1342, Dynamical Systems, 1988, 261
E. Arthur Robinson, Lecture Notes in Mathematics, 1342, Dynamical Systems, 1988, 645
M. Hazewinkel, Encyclopaedia of Mathematics, 1988, 1
S. Aubry, K. Fesser, A. R. Bishop, “Locking to incommensurate structures”, Ferroelectrics, 66:1 (1986), 151
S Aubry, K Fesser, A R Bishop, J Phys A Math Gen, 18:16 (1985), 3157
Richard J Turek, “Approximation and ergodic theorems”, Advances in Mathematics, 51:3 (1984), 258
E. A. Robinson, “Ergodic measure preserving transformations with arbitrary finite spectral multiplicities”, Invent Math, 72:2 (1983), 299
G. R. Goodson, “SPECIAL AUTOMORPHISMS WITH CONTINUOUS SPECTRUM”, Quaestiones Mathematicae, 5:3 (1982), 243