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- [22] A CERTAIN CLASS OF SYSTEMS OF ORDINARY DIFFERENTIAL EQUATIONS WITH SINGULARITY DOKLADY AKADEMII NAUK SSSR, 1956, 108 (05): : 784 - 786
- [28] Separation of a Class of Degenerate Differential Operators in Lp-Spaces PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON MATHEMATICAL MODELING (ICMM-2017), 2017, 1907