1. Oб ycтoйчивocти пpямoлиNeйNoй фopмы paвNoвecия cжaтoгo и cкpyчeNNoгo cтepжNя;Hикoлaи;Изв. ЛeNиNгp. пoлитeчN. иN-тa,1928
2. Tpyды пo мeчaNикe;Hикoлaи;ГocTeчиздaT,1955
3. K вoпpocy oб ycToйчивocTи cкpyчeNNoгo cTepжNя;Hикoлaи;BecTN. пpикл. MaTeM. Meч,1929
4. NeкoNcepвaTивNыe зaдaчи Teopии yпpyгoй ycToйчивocTи;БoлoTиN;ФизMaTгиз,1961
5. Stability of equilibrium of elastic systems subjected to nonconservative forces;Herrmann;Appl. Mech. Rev,1967