1 Subjects: “...ordinary differential equations...”

2 Subjects: “...partial differential equations...”

3 Subjects: “...third-order differential equation...”

4 Subjects: “...mixed neutral differential equations...”

5 Subjects: “...time-dependent partial differential equations...”

6 Subjects: “...differential equations model...”

7 Subjects: “...partial differential equation...”

8 Subjects: “...partial differential equation...”

9 Subjects: “...partial differential equations...”

10 Subjects: “...Riemann-Liouville fractional differential equations...”

11 Subjects: “...Riemann-Liouville fractional differential equations...”

12 Subjects: “...fractional differential equations...”

13 Subjects: “...fractional-order integro-differential equation...”

14 Subjects: “...ordinary differential equation...”

15 Subjects: “...fractional order differential equations...”