@article{VYURM_2017_9_1_a1,
     author = {E. M. Bronshtein and E. V. Gindullina and R. V. Gindullin},
     title = {Formalization of pickup and delivery problem},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matematika, mehanika, fizika},
     pages = {13--21},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURM_2017_9_1_a1/}
}