%0 Journal Article %A M. Z. Krzywoblocki %T On some Mathematical Aspects of an Interplanetary flight (to Mars). Part II. Boundary Conditions %J Δελτίο της Ελληνικής Μαθηματικής Εταιρίας %D 1962 %P 24-53 %V 03Α %I mathdoc %U http://geodesic.mathdoc.fr/item/DEME_1962__03%CE%91_a3/ %G gr %F DEME_1962__03Α_a3