Smirnov, Stanislav (2001). "Critical percolation in the plane: conformal invariance, Cardy's formula, scaling limits". Comptes Rendus de l'Academie des Sciences. 333 (3): 239–244. Bibcode:2001CRASM.333..239S. doi:10.1016/S0764-4442(01)01991-7.
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Smirnov, Stanislav (2001). "Critical percolation in the plane: conformal invariance, Cardy's formula, scaling limits". Comptes Rendus de l'Academie des Sciences. 333 (3): 239–244. Bibcode:2001CRASM.333..239S. doi:10.1016/S0764-4442(01)01991-7.