TY  - GEN
AU  - Krein,M.G
AU  - ëIìAkubovich,V.A
TI  - Four papers on ordinary differential equations
SN  - 0821830759
U1  - 510 s515.3/52 
PY  - 1983///
CY  - Providence, R.I
PB  - American Mathematical Society
KW  - Differential equations
N1  - Contine bibliografie; Foundations of the theory of [lamda]-zones of stability of a canonical system of linear differential eequations with periodic coefficients / M.G. Kreæin -- On tests for stable boundedness of solutions of periodic canonical systems / M.G. Kreæin -- Critical frequencies of quasicanonical systems / V.A. Jakuboviæc -- Hamiltonian systems of linear differential equations with periodic coefficients / M.G. Kreæin and V.A. Jakuboviæc
ER  -