共 50 条
- [41] STURMIAN COMPARISON METHOD AND ITS APPLICATION TO THE LOCALIZATION OF ZEROS OF SOLUTIONS OF DIFFERENTIAL-EQUATIONS WITH DEFLECTIVE ARGUMENT .1. [J]. IZVESTIYA AKADEMII NAUK AZERBAIDZHANSKOI SSR SERIYA FIZIKO-TEKHNICHESKIKH I MATEMATICHESKIKH NAUK, 1979, (05): : 60 - 67
- [45] NEUMANN,V HILBERT-SPACE THEORY AND PARTIAL-DIFFERENTIAL EQUATIONS [J]. SIAM REVIEW, 1980, 22 (04) : 486 - 493
- [47] A VARIATION PROBLEM IN HILBERT SPACE ITS APPLICATION TO PARTIAL DIFFERENTIAL EQUATIONS [J]. DOKLADY AKADEMII NAUK SSSR, 1966, 169 (05): : 1020 - &
- [49] Comparison theorem for a class of Riccati differential equations and its application [J]. Differential Equations, 2016, 52 : 981 - 986