TY - JOUR AU - I. I. Èterman TI - Approximation of functions in infinite intervals by asymptotic polynomials of the second type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 97 EP - 101 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_5_a13/ LA - ru ID - IVM_1968_5_a13 ER -