TY - JOUR AU - Lipton, Robert AU - Viator, Robert Jr. TI - Bloch waves in crystals and periodic high contrast media JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2017 SP - 889 EP - 918 VL - 51 IS - 3 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/m2an/2016046/ DO - 10.1051/m2an/2016046 LA - en ID - M2AN_2017__51_3_889_0 ER -