Hartman, Philip. "Uniqueness of Principal Values, Complete Monotonicity of Logarithmic Derivatives of Principal Solutions, and Oscillation Theorems.." Mathematische Annalen 241 (1979): 257-282. <http://eudml.org/doc/163265>.
@article{Hartman1979, author = {Hartman, Philip}, journal = {Mathematische Annalen}, keywords = {COMPLETE MONOTONICITY; UNIQUENESS OF PRINCIPAL VALUES; LOGARITHM}, pages = {257-282}, title = {Uniqueness of Principal Values, Complete Monotonicity of Logarithmic Derivatives of Principal Solutions, and Oscillation Theorems.}, url = {http://eudml.org/doc/163265}, volume = {241}, year = {1979}, }
TY - JOUR AU - Hartman, Philip TI - Uniqueness of Principal Values, Complete Monotonicity of Logarithmic Derivatives of Principal Solutions, and Oscillation Theorems. JO - Mathematische Annalen PY - 1979 VL - 241 SP - 257 EP - 282 KW - COMPLETE MONOTONICITY; UNIQUENESS OF PRINCIPAL VALUES; LOGARITHM UR - http://eudml.org/doc/163265 ER -