Citation: E. Lerman et Sf. Singer, STABILITY AND PERSISTENCE OF RELATIVE EQUILIBRIA AT SINGULAR-VALUES OF THE MOMENT MAP, Nonlinearity (Bristol. Print), 11(6), 1998, pp. 1637-1649
Citation: M. Quinn et Sf. Singer, LOOP ALGEBRAS, GAUGE INVARIANTS AND A NEW COMPLETELY INTEGRABLE SYSTEM, Pacific journal of mathematics, 181(2), 1997, pp. 377-396
Citation: Sf. Singer, PROBLEMS AND STRATEGIES IN THE SCIENTIFIC MANAGEMENT OF FISHERIES ANDMARINE MAMMALS - FROM THE TRAGEDY OF THE COMMONS TO AN ERA OF SUSTAINABLE DEVELOPMENT - AN INTERNATIONAL-CONFERENCE SPONSORED BY THE SCIENCE AND ENVIRONMENTAL-POLICY PROJECT, HELD IN WASHINGTON, DC, USA, ON 12APRIL 1994, Environmental conservation, 21(2), 1994, pp. 184-186