ON A CLASS OF NONLOCAL ELLIPTIC OPERATORS FOR COMPACT LIE GROUPS. UNIFORMIZATION AND FINITENESS THEOREM СтатьяSternin B.Y.Central European Journal of Mathematics. Том 9. 2011. С. 814-832
ON THE INDEX OF NONLOCAL ELLIPTIC OPERATORS FOR COMPACT LIE GROUPS СтатьяSavin A.Y.Central European Journal of Mathematics. Том 9. 2011. С. 833-850