%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 03 %N A %U http://geodesic.mathdoc.fr/item/DEME_1962_03_A_a3/ %G gr %F DEME_1962_03_A_a3