TY - JOUR AU - V. V. Chistyakov TI - On integrating the projectile motion equations of a~heavy point in medium with height decreasing density JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2012 SP - 120 EP - 132 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2012_1_a9/ LA - ru ID - VUU_2012_1_a9 ER -