%0 Journal Article %A B. N. Ivanov %T Solution of the optimal ship route problem in the framework of the OKEAN geoinformation system %J Numerical methods and programming %D 2012 %P 226-234 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2012_13_1_a22/ %G ru %F VMP_2012_13_1_a22