2 citations to https://www.mathnet.ru/rus/im329

1. Lescure J.-M., Vassout S., “Fourier Integral Operators on Lie Groupoids”, Adv. Math., 320 (2017), 391–450          
2. Battisti U., Coriasco S., Schrohe E., “Fourier Integral Operators and the Index of Symplectomorphisms on Manifolds With Boundary”, J. Funct. Anal., 269:11 (2015), 3528–3574