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Publication:3475444
zbMath0698.17013MaRDI QIDQ3475444
Publication date: 1990
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
String and superstring theories; other extended objects (e.g., branes) in quantum field theory (81T30) Infinite-dimensional Lie (super)algebras (17B65) Riemann surfaces (30F99)