@article{1967-fainleb ,author={A. S. Fa\u\i nle\u\i b} ,ISSN={0134--4307} ,journal={Doklady Akademii Nauk UzSSR} ,MR={46:5265} ,pages={3--5} ,title={{The estimate from below of the quantity of numbers with small prime divisors}} ,year={1967} }