@article{KUIPM_1992_18_18_a5,
     author = {I. S. Grigor'eva},
     title = {A class of heuristic algorithms for the routing problem},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {38--48},
     year = {1992},
     volume = {18},
     number = {18},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1992_18_18_a5/}
}