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Author: Singh, Tarkeshwar

• Acharya, Mukti; Singh, Tarkeshwar: Graceful signed graphs: II. The case of signed cycles with connected negative sections. (English). Czechoslovak Mathematical Journal, vol. 55 (2005), issue 1, pp. 25-40
• Acharya, Mukti; Singh, Tarkeshwar: Graceful signed graphs. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 291-302