APA

Grigoriev M. G., Babich L. N., .Visualization of the heart with help of cardiographic equipment. : .

Chicago

Grigoriev M G, Babich L N, .Visualization of the heart with help of cardiographic equipment. : .

Harvard

Grigoriev M. G., Babich L. N., .Visualization of the heart with help of cardiographic equipment. : .

MLA

Grigoriev M G, Babich L N, .: . .