The first half of the 19th century was a time of widespread development of mechanics and mathematical physics based on mathematical analysis. From foreign scientists in this regard, it is enough to recall the names of Laplace, Fourier, Poisson, Cauchy, Hamilton and Jacobi. Mikhail Vasilievich Ostrogradsky was the only Russian who, together with this brilliant galaxy of scientists of that time, created the foundations of modern analytical mechanics and mathematical physics. This edition is the first collection in Russian of the main works of M.V. Ostrogradsky. It contains essentially all the fundamentally important works on mechanics and mathematical physics.