@article{KUIPM_1981_9_9_a7,
     author = {R. F. Khabibullin},
     title = {A step control procedure in iterative minimization of a functional},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {57--62},
     year = {1981},
     volume = {9},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1981_9_9_a7/}
}