periodic wave solutions

almost periodic solutions

Almost positive periodic solutions

anti-periodic solutions

asymptotically almost periodic solutions

asymptotically periodic solutions

bouncing periodic solutions

double-periodic soliton wave solutions

doubly-periodic solutions

elliptic periodic solutions

exact periodic solutions

Four periodic solutions

geometric characteristic quantity of periodic solutions

infection-free periodic solutions

infinitely periodic solutions

Jacobi elliptic function periodic solutions

minimal periodic solutions

multiple periodic solutions

multiple positive periodic solutions