SamoilenkoV.G. and SamoilenkoY.I. 2012. Asymptotic <i>m</i&gt;-phase soliton-type solutions of a singularly perturbed Korteweg?de Vries equation with variable coefficients. II. Ukrains’kyi Matematychnyi Zhurnal. 64, 8 (Aug. 2012), 1089-1105.