K.S Dalbekova, F.R Gusmanova, S.B Berkimbaeva, A.K Iskakova
PROBLEMS OF STABILITY OF LINEAR NON-STATIONARY SYSTEMS ON A FINITE TIME INTERVAL
52-58
К. Dalbekova, S. Berkimbaeva, F. Gusmanova, R. Akkozieva , А. Искакова
ABOUT ONE PROBLEM OF STABILIZATION OF MOTION OF QUADRATIC DIFFERENTIAL SYSTEMS ON A FINITE TIME PERIOD
46-54
М.Е. Abishev, Тоktarbay Тоktarbay, А.Z. Таlkhat, A.Zh. Abylayeva
THE STABILITY OF QUASI-CIRCULAR ORBITS NEAR THE CENTRAL BODY
155-159