Cyanine-like and polyenic relaxation paths of merocyanine derivatives of malonodinitrile in the excited state detecting by low temperature time-resolved fluorescence - M. M. Sevryukova; Yu. P. Piryatinski; S. V. Vasylyuk; V. M. Yashchuk; O. O. Viniychuk; A. O. Gerasov; Yu. L. Slominskii; O. D. Kachkovsky (Ukrainian Journal of Physics, 2012)