Lin, C.-L., Nagayasu, S. and Wang, J.-N. 2011. Quantitative uniqueness for the power of Laplacian with singular coefficients . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE. 10, 3 (Oct. 2011), 513-531. DOI:https://doi.org/10.2422/2036-2145.2011.3.01.