title: [One of the profound ideas of I. P. Pavlov].
mesh_terms: D000818:Animals; D001519:Behavior; D001522:Behavior, Animal; D005075:Biological Evolution; D003148:Communism; D003214:Conditioning, Classical; D000882:Haplorhini; D006613:Higher Nervous Activity; D049673:History, 20th Century; D015186:Hominidae; D006801:Humans; D007858:Learning; D009482:Neurophysiology / Q000266:history*; D010684:Philosophy; D012054:Reinforcement, Psychology; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Ob odnoĭ glubokoĭ idee I. P. Pavlova.