1. On the theory of oscillatory waves;Stokes;Trans. Cambr. Philos. Soc.,1848
2. Détermination rigoureuse des ondes permanentes d’ampleur finie;Levi-Civita;Math. Ann.,1925
3. On steady waves;Nekrasov;Izv. Ivanovo-Voznesensk. Politekh. Inst.,1921
4. The theory of steady-state waves of large amplitude;Krasovskiĭ;Sov. Phys. Dokl.,1960
5. On the theory of steady-state waves of finite amplitude;Krasovskiĭ;Z̆. Vyc̆isl. Mat. Mat. Fiz.,1961