[3] Jacobson N.: 
Lectures in Abstract Algebra. D. Van Nostrand Соmр., New York, Volume III, 1964. 
MR 0172871 | 
Zbl 0124.27002 
[4] Lidl R., Niederreiter H.: 
Finite Fields. Addison-Wesley Publ. Соmр., Reading, Massachusetts, 1983. 
MR 0746963 | 
Zbl 0554.12010 
[6] Rédei L.: 
Algebra. Akad. Verlagsgesellschaft, Leipzig 1959. 
MR 0106151 
[7] Schwarz Š.: 
On the reducibility of binomial congruences and the bound of the least integer belonging to a given exponent (mod p). Časopis pěst. mat. fys. 74 (1949), 1-16. 
MR 0032669 
[9] Van der Waerden B. L.: Algebra I (1971) and II (1967). (Russian edition, 1976).
[10] Conway J. H.: 
A tabulation of some information concerning finite fields. Computers in Mathematical Research, pp. 37-50, North-Holland, Amsterdam, 1968. 
MR 0237467 | 
Zbl 0186.07602