Voir la notice du chapitre de livre provenant de la source Math-Net.Ru
[1] Ains E., Obyknovennye differentsialnye uravneniya, GNTIU, Kharkov, 1939, 718 pp.
[2] Golubev V. V., Lektsii po analiticheskoi teorii differentsialnykh uravnenii, GITTL, M.-L., 1950, 436 pp.
[3] Erugin N. P., Problema Rimana, Nauka i tekhnika, Minsk, 1982, 336 pp. | MR | Zbl
[4] Matatov V. I., “Podvizhnye osobennosti odnoi sistemy vtorogo poryadka”, Differents. uravneniya, 14:11 (1978), 2076–2078 | MR | Zbl
[5] Matatau V. I., Matatava I. V., “Ab rukhomykh asablivykh punktakh autanomnai vyradzhanai sistemy dyferentsyyalnykh raunannyau drugoga paradku”, Vestsi BDPU, no. 1, BDPU, Minsk, 2002, 148–151
[6] Matatova I. V., Prokasheva V. A., “K voprosu o podvizhnykh osobykh tochkakh reshenii sistemy differentsialnykh uravnenii tretego poryadka”, Trudy XI mezhvuzovskoi konferentsii. Ch. 3, Matem. modelirovanie i kraevye zadachi, SamGTU, Samara, 2001, 99–100
[7] Stepanov V. V., Kurs differentsialnykh uravnenii, Fizmatgiz, M., 1958, 468 pp.