@article{VUU_2010_1_a3,
     author = {E. E. Ivanko},
     title = {Sufficient conditions of the stability of optimal route in the {Travelling} {Salesman} {Problem} in cases of a~single vertex addition or substraction},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {48--57},
     publisher = {mathdoc},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2010_1_a3/}
}