TY - JOUR AU - Alexander A. Shlapunov TI - Boundary problems for Helmholtz equation and the Cauchy problem for Dirac operators JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2011 SP - 217 EP - 228 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2011_4_2_a9/ LA - en ID - JSFU_2011_4_2_a9 ER -