@article{GDZPPN002425912,
title = {On a Class of Time Inhomogeneous Nonsingular Flows and Schr\"odinger Operators.},
journal = {Mathematische Zeitschrift},
volume = {180},
year = {1982},
pages = {123-134},
zbl = {0469.58006},
url = {http://dml.mathdoc.fr/item/GDZPPN002425912}
}
Parthasarathy, Kalyanapuram Rangachari. On a Class of Time Inhomogeneous Nonsingular Flows and Schrödinger Operators.. Mathematische Zeitschrift, Tome 180 (1982) pp. 123-134. http://gdmltest.u-ga.fr/item/GDZPPN002425912/