TY  - JOUR
AU  - Díaz Díaz, Jesús Ildefonso
AU  - Talenti, Giorgio
PY  - 2004
DO  - 10.1007/s00024-004-2517-2
SN  - 0033-4553
UR  - https://hdl.handle.net/20.500.14352/49603
T2  - Pure and Applied Geophysics
AB  - A mathematical model of general gas emitting systems is derived, and a sample of relevant mathematical results is offered. The present paper indicates that shallow subsurface gas sources in typicalvolcanic areas can be located if appropriate...
LA  - eng
M2  - 1509
PB  - Birkhäuser
KW  - Subsurface source
KW  - Surface measurement
KW  - Partial differential equations of parabolic type
KW  - Free boundary
KW  - Obstacle problem
KW  - A priori bound
TI  - A free boundary problem related to the location of volcanic gas sources
TY  - journal article
VL  - 161
ER  -