1. G. H. Hardy andE. M. Wright,An introduction to the theory of numbers, 3rd ed., Clarendon Press, Oxford, 1954.MR 16-673
2. L. Kuipers andH. Niederreiter,Uniform distribution of sequences, Wiley, New York, 1974.MR 54 # 7415
3. A. Legéň andT. Šalát, O nekotoryh primenenijah metoda kategoriî v teorii prostranstv posledovatel'nosteî (Some applications of the category method in the theory of sequence spaces),Mat.-Fiz Časopis Sloven. Akad. Vied 14 (1964), 217–233.MR 30 # 382
4. A. Neubrunnová, K. štruktúre niektorých priestorov postupností (On the structure of certain sequence spaces),Acta Fac. Rerum Natur. Univ. Comenian. Math. Publ. 19 (1968), 19–26 (In Slovak)MR 41 # 5929
5. R. Sikorski,Funkcje rzeczywiste, I (Real functions, I), PWN, Warszawa, 1958. (In Polish)MR 19-945