TY - JOUR AU - D. A. Eibozhenko TI - $k$-Clustering optimization algorithmfor Steiner problem in directed graphs JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2011 SP - 29 EP - 39 IS - 2 UR - http://geodesic.mathdoc.fr/item/VSPUI_2011_2_a3/ LA - ru ID - VSPUI_2011_2_a3 ER -