共 9 条
[1]
ATKINSON FV, 1955, PAC J MATH, V5, P643
[2]
BELLMAN R, 1954, STABILITY THEORY DIF
[4]
ISJUMOVA DV, 1966, DIFF URAVN, V2, P1572
[5]
KIGURADZE IT, 1970, 5 P INT C NONL OSC, P293
[6]
MISHKIS AD, 1951, LINEAR DELAY DIFFERE
[7]
NORKIN SB, 1965, NAUKA
[8]
ODARICH ON, 1970, 5 P INT C NONL OSC, V2, P377