Manish JAIN. Symmetric Contractions in Partially Ordered Metric Spaces and Coupled Coincidence Points. Research Highlights in Mathematics and Computer Science Vol. 3, [S. l.], p. 106–117, 2022. DOI: 10.9734/bpi/rhmcs/v3/4229B. Disponível em: https://stm.bookpi.org/RHMCS-V3/article/view/8881. Acesso em: 12 jun. 2026.