TY - DATA TI - Advances in Soviet mathematics T2 - American Mathematical Society Translations: Series 2, SN - 9781470433796 (online) PY - 1990///- CY - Providence, R.I. PB - American Mathematical Society KW - MathematicsMathematicsMathematics N1 - Introduction;Stability of motion and algebraic geometry;Homoclinic orbits to invariant tori of Hamiltonian systems;An estimate of irremovable nonconstant terms in the reducibility problem;On the reducibility of the one-dimensional Schr�odinger equation with quasi-periodic potential;Various aspects of UR - http://www.ams.org/trans2/168 ER -