• A cluster of many small holes with negative imaginary surface impedances may generate a negative refraction indexAlsaedi, Ahmed; Ahmad, Bashir; Challa, Durga Prasad; Kirane, Mokhtar; Sini, MouradMathematical methods in the applied sciences2016 / p. 3607-3622 : ill https://doi.org/10.1002/mma.3805 https://www.scopus.com/sourceid/24594 https://www.scopus.com/record/display.uri?eid=2-s2.0-84952845664&origin=inward&txGid=9dca9d81bf57c349278b707a3b93ef07 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MATH%20METHOD%20APPL%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000384078300006
• Multiscale analysis of the acoustic scattering by many scatterers of impedance typeChalla, Durga Prasad; Sini, MouradZeitschrift für angewandte Mathematik und Physik2016 / art. 58, p. 1-31 : ill https://doi.org/10.1007/s00033-016-0652-0 https://www.scopus.com/sourceid/27971 https://www.scopus.com/record/display.uri?eid=2-s2.0-85007470997&origin=inward&txGid=ac92768675d091d0e6d54803a6103aa7 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=Z%20ANGEW%20MATH%20PHYS&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000378940400024