[1]Hung, P.T. and Cuong, N.D. 2026. Maneuver in vertical plane of an unpowered flight vehicle to minimize risk of being detected in approaching a target. <i>Vietnam Journal of Science and Technology</i>. 64, 4 (Aug. 2026), 800–810. DOI:https://doi.org/10.15625/2525-2518/21929.