共 8 条
[1]
AMANN H, UNPUBLISHED
[3]
GRIFFITH JS, 1968, J THEOR BIOL, V20, P209, DOI 10.1016/0022-5193(68)90190-2
[4]
LEMMERT R, 1977, MATH ANN, V230, P49, DOI 10.1007/BF01420575
[5]
Lightbourne J H, 1977, J NONLINEAR ANAL THE, V1, P277
[6]
MARTIN R, UNPUBLISHED
[7]
Protter Murray H., 1984, MAXIMUM PRINCIPLES D, DOI [10.1007/978-1-4612-5282-5, DOI 10.1007/978-1-4612-5282-5]
[8]
VOLKMANN P, 1976, J REINE ANGEW MATH, V285, P59