AB Shabat - Differentsial'nye Uravneniya, 1979 - mathnet.ru
2. V. Yu. Novokshenov,“Asymptotic formulae for solutions of a system of non-linear Schrödinger equations”, Russian Math. Surveys, 37: 2 (1982), 231–232 mathnet crossref …
2. V. Yu. Novokshenov,“Asymptotic formulae for solutions of a system of non-linear Schrödinger equations”, Russian Math. Surveys, 37: 2 (1982), 231–232 mathnet crossref …