CRITERIA OF ASSESSING ORAL MUCOSA FUNCTION AFTER COMBINED TREATMENT OF MALIGNANT MAXILLOFACIAL TUMORS Статья Korchak V.V., Volozhin A.I., Zandelov V.L. Стоматология. Том 69. 1990. С. 43-46
NEW EXACT SOLUTION FOR THE EXTERIOR GRAVITATIONAL FIELD OF A SPINNING MASS Статья Manko V.S. Physical Review Letters. Том 64. 1990. С. 1625-1627