1. V. I. Arnold, Ergodic Problems of Classical Mechanics, W. A. Benjamin (1968).
2. V. I. Arnold, ?On the characteristic class contained in the quantization conditions,? Funkts. Anal. Prilozhen., No. 1, 1?14 (1967).
3. F. A. Berezin, The Method of Second Quantization [in Russian], Nauka, Moscow (1965).
4. F. A. Berezin, ?Wick and anti-Wick symbols of operators,? Mat. Sb.,86, No. 4, 578?610 (1971).
5. F. A. Berezin, ?Quantization,? Izv. Akad. Nauk SSSR, Ser. Mat.,38, No. 5, 1116?1176 (1974).