TY - JOUR AU - Kim Dang Phung AU - Gengsheng Wang TI - An observability estimate for parabolic equations from a measurable set in time and its applications JO - Journal of the European Mathematical Society PY - 2013 SP - 681 EP - 703 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/371/ DO - 10.4171/jems/371 ID - JEMS_2013_15_2_a8 ER -