Chaplygin
Sergey Chaplygin
Chaplygin, Lipetsk Oblast
Chaplygin gas
Yury Chaplygin
Valery Chaplygin
Lamb–Chaplygin dipole
Chaplygin (crater)
Chaplygin sleigh
Chaplygin Street, Novosibirsk
Chaplygin (inhabited locality)
Stanislav Chaplygin
Chaplygin problem
Chaplygin's equation
Chaplygin Siberian Scientific Research Institute Of Aviation
Chaplygin's theorem
Lagrange, Euler, and Kovalevskaya tops
Blasius theorem
Aleksey Chapygin
List of minor planets: 4001–5000