The 4 linked references in paper P. Ivankov L., П. Иванков Л. (2016) “Уточнение некоторых оценок для значений гипергеометрических функций // Refinement of some estimates for values of the hypergeometric functions” / spz:neicon:technomag:y:2014:i:4:p:175-186

  1. Ivankov P.L. [Refinement of estimates for some nonhomogeneous linear forms].Matematicheskie zametki, 2005, vol. 77, iss. 4, pp. 515{521. (English translation:Mathematical Notes, 2005, vol. 77, iss. 3-4, pp. 476{481. DOI:10.1007/s11006-005-0046-7).
  2. Ivankov P.L. [On differentiation with respect to parameter of some functions].Nauka i obrazovanie MGTU im. N.E. Baumana | Science and Education of the Bauman MSTU, 2012, no. 5. DOI:10.7463/0512.0398478(in Russian).
  3. Ivankov P.L. [On the application of simultaneous approximations for the investigation of arithmetic properties of the values of hypergeometric functions].Nauka i obrazovanie MGTU im. N.E. Baumana | Science and Education of the Bauman MSTU, 2012, no. 12. DOI: 10.7463/1212.0500464(in Russian).
  4. Chudnovsky D.V., Chudnovsky G.V. Applications of Pad-e approximation to diophantine inequalities in values of G-function. In:Number Theory. Springer Berlin Heidelberg, 1985, pp. 9{51. (Ser.Lect. Notes in Math.; vol. 1135). DOI:10.1007/BFb0074600