A. Yu. Savin, B. Yu. Sternin, “Elliptic G-Operators on Manifolds with Isolated Singularities”, J Math Sci, 233, no. 6, 2018, 930
A. Savin, E. Schrohe, B. Sternin, “Elliptic operators associated with groups of quantized canonical transformations”, Bulletin des Sciences Mathématiques, 155, 2019, 141
A. Yu. Savin, B. Yu. Sternin, “On the index of nonlocal elliptic operators associated with fibrations”, Dokl. Math., 89, no. 1, 2014, 61
A. V. Boltachev, A. Yu. Savin, “Index of Elliptic Boundary Value Problems Associated with Isometric Group Actions”, Russ. J. Math. Phys., 27, no. 3, 2020, 326
Anton Savin, Elmar Schrohe, “Analytic and algebraic indices of elliptic operators associated with discrete groups of quantized canonical transformations”, Journal of Functional Analysis, 278, no. 5, 2020, 108400
A. V. Boltachev, A. Yu. Savin, “Elliptic boundary value problems associated with isometric group actions”, J. Pseudo-Differ. Oper. Appl., 12, no. 4, 2021, 50
K. N. Zhuikov, “Index of Differential-Difference Operators on an Infinite Cylinder”, Russ. J. Math. Phys., 29, no. 2, 2022, 280
P. A. Sipailo, K. N. Zhuikov, “Elliptic $\mathbb{Z}$-Operators Associated with the Metaplectic Group”, Russ. J. Math. Phys., 28, no. 3, 2021, 377
T. I. Dang, “Traces of G-Operators Concentrated on Submanifolds”, Diff Equat, 54, no. 4, 2018, 468
A. V. Boltachev, A. Yu. Savin, “Periodic Cyclic Cocycles on the Boutet de Monvel Symbol Algebra”, Russ. J. Math. Phys., 29, no. 4, 2022, 417