Sigillito, V. G. (1977). Explicit a prior inequalities with applications to boundary value problems. London.
Chicago-стиль цитированияSigillito, V G. Explicit a Prior Inequalities with Applications to Boundary Value Problems. London, 1977.
MLA-цитированиеSigillito, V G. Explicit a Prior Inequalities with Applications to Boundary Value Problems. London, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.