Peter Adam, Vladimir A. Andreev, Margarita A. Man'ko, Vladimir I. Man'ko, Matyas Mechler, “Star-Product Formalism for the Probability and Mean-Value Representations of Qudits”, J Russ Laser Res, 41:5 (2020), 470
S. N. Filippov, “On quantum operations of photon subtraction and photon addition”, Lobachevskii J. Math., 40:10 (2019), 1470–1478
P. Adam, V.A. Andreev, A. Isar, M.A. Man'ko, V.I. Man'ko, “Minimal sets of dequantizers and quantizers for finite-dimensional quantum systems”, Physics Letters A, 381:34 (2017), 2778