TY - CPAPER AU - Duchkov, Anton AU - Serdyukov, Alexandr TI - NUMERICAL SOLUTION OF THE DOUBLE-SQUARE-ROOT EIKONAL EQUATION IN Z-STRETCHED COORDINATES FOR REFLECTION TRAVELTIMES DATA ESTIMATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 SP - 847 EP - 854 pp DO - 10.5593/sgem2013/ba1.v2/s05.022 PB - Stef92 Technology ER -