TY - JOUR AU - E. A. Polyakov TI - On the theory of recursive functionals and effective operations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1980 SP - 37 EP - 39 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1980_5_a7/ LA - ru ID - IVM_1980_5_a7 ER -