In memory of Yamilov Ravil Islamovich Authors V.E. Adler P. Winternitz R.N. Garifullin A.V. Zhiber D. Levi A.V. Mikhailov I.Kh. Musin F.W. Nijhoff V.V. Sokolov B.I. Suleimanov E.V. Ferapontov A.P. Fordy I.T. Habibullin I.Yu. Cherdantsev R.A. Sharipov R.S. Yulmukhametov DOI: https://doi.org/10.13108/2020-12-2-119 Keywords: Abstract Downloads PDF Published 20.06.2020 Issue Vol. 12 No. 2 (2020): Ufa Mathematical Journal 2020, volume 12 , issue 2 Section Article