1. Some questions of analysis and differential equations;Gel’fand;Uspehi Mat. Nauk,1959
2. Fractional Integrals and Derivatives Theory and Applications;Samko,1993
3. An introduction to fractional derivatives, fractional differential equations, to methods of their solution and some of their applications;Podlubny,1999
4. Drobniye ischisleniya i yego primenenie;Nakhushev,2003
5. Uravneniya v chastnykh proizvodnykh drobnogo poryadka;Pskhu,2005