Omarkulov, K.A.; Omarkulov, E.K.; Baimuhanov, Z.K.; Akimbekov, E.T.
(Publishing House of the KarSU named after E.A.Buketov, 2013)
New «model» problem of celestial mechanics as the plane problem of four fixed centres, two of
those after crossing axes O'x' and the other two – on crossing axes O'y' at the distance between
centres, are considered. The ...