The results of recent studies of the Gamow-Teller beta-decays of nuclei in
the Sn-100 region are presented. Measurements performed with the use of the
total absorption gamma-ray spectrometer and the Cluster Cube array of germ
anium detectors revealed qualitatively new information on the Gamow-Teller
strength distribution in the decays of Ag-97,Ag-98 and In103-107. Th, shape
of the measured P-strength distribution and the resulting total B-GT value
s are compared with the results of shell-model calculations.