Kiev "Scientific Thought" 1978, 208 with . The monograph contains the processing of more than 30 thousand observations of 138 variable stars. Among them, 67 stars of the Mira Kita type, 12 irregular giants, 11 stars of the RR Lyra type, 3 cepheids of the W Virgo type, 4 stars of the RV Taurus type, 2 stars of the Z Andromeda type, 2 stars of the U Gemini type and 4 stars of the RW Aerial type were studied. Especially interesting are the results of studies of the properties of the last six stars. Designed for specialists - astronomers and astrophysicists, graduate students and undergraduates of astronomical specialties .