TY - JOUR AU - A. L. Sakhnovich TI - Evolution of Weyl Functions and Initial-Boundary Value Problems JO - Mathematical modelling of natural phenomena PY - 2016 SP - 111 EP - 132 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/201611209/ DO - 10.1051/mmnp/201611209 LA - en ID - MMNP_2016_11_2_a8 ER -