# Differential Equations

Differential Equations > 2017 > 53 > 1 > 115-121

Differential Equations > 2017 > 53 > 1 > 33-46

*L*

_{2}(−1, 1) by the operation with involution of the form

*Lu*= −

*u*″(

*x*)+

*αu*″(−

*x*)+

*q*(

*x*)

*u*(

*x*)+

*qν*(

*x*)

*u*(

*ν*(

*x*)), where

*α*∈ (−1, 1),

*ν*(

*x*) is an absolutely continuous involution of the segment [−1, 1] and the coefficients

*q*(

*x*) and

*qν*(

*x*) are summable functions on (−1, 1). Necessary and sufficient conditions are obtained for the...

Differential Equations > 2017 > 53 > 1 > 86-98

Differential Equations > 2017 > 53 > 1 > 99-108

Differential Equations > 2017 > 53 > 1 > 74-85

Differential Equations > 2017 > 53 > 1 > 18-32

Differential Equations > 2017 > 53 > 1 > 122-132

Differential Equations > 2017 > 53 > 1 > 56-73

Differential Equations > 2017 > 53 > 1 > 8-17

Differential Equations > 2017 > 53 > 1 > 139-143

Differential Equations > 2017 > 53 > 1 > 133-138

Differential Equations > 2017 > 53 > 1 > 109-114

Differential Equations > 2017 > 53 > 1 > 47-55

Differential Equations > 2017 > 53 > 1 > 1-7

Differential Equations > 2017 > 53 > 2 > 277-279

Differential Equations > 2017 > 53 > 2 > 248-262

Differential Equations > 2017 > 53 > 2 > 157-170

Differential Equations > 2017 > 53 > 2 > 192-199

Differential Equations > 2017 > 53 > 2 > 171-179

Differential Equations > 2017 > 53 > 2 > 218-233