Perturbation Methods in a Problem of Waveguide Theory (Classic Reprint)/fr-ca/perturbation-methods-in-a-problem-of-waveguide-theory-classic-reprint/47888588-6E6F-44DA-B498-B632AE438B3C.html47888588-6E6F-44DA-B498-B632AE438B3C
Perturbation Methods in a Problem of Waveguide Theory (Classic Reprint)